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ICASSP
2010
IEEE
14 years 9 months ago
Circulant space-time codes for integration with beamforming
—This paper provides a framework for designing space-time codes to take advantage of a small number of feedback bits from the receiver. The new codes are based on circulant matri...
Yiyue Wu, A. Robert Calderbank
TSP
2008
87views more  TSP 2008»
14 years 9 months ago
A Proof of Convergence of the MAP Turbo-Detector to the AWGN Case
In this paper, we consider a coded transmission over a frequency selective channel. We propose to study analytically the convergence of the turbo-detector using a maximum a poster...
Noura Sellami, Aline Roumy, Inbar Fijalkow
CORR
2011
Springer
166views Education» more  CORR 2011»
14 years 1 months ago
A family of fast-decodable MIDO codes from crossed-product algebras over Q
—Multiple Input Double Output (MIDO) asymmetric space-time codes for 4 transmit antennas and 2 receive antennas can be employed in the downlink from base stations to portable dev...
Laura Luzzi, Frédérique E. Oggier
66
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UAI
2004
14 years 11 months ago
Iterative Conditional Fitting for Gaussian Ancestral Graph Models
Ancestral graph models, introduced by Richardson and Spirtes (2002), generalize both Markov random fields and Bayesian networks to a class of graphs with a global Markov property ...
Mathias Drton, Thomas S. Richardson
ICC
2009
IEEE
146views Communications» more  ICC 2009»
14 years 7 months ago
On Construction of Moderate-Length LDPC Codes over Correlated Erasure Channels
The design of moderate-length erasure correcting low-density parity-check (LDPC) codes over correlated erasure channels is considered. Although the asymptotic LDPC code design rema...
Gianluigi Liva, Balázs Matuz, Zoltán...